69 lines
1.4 KiB
C
69 lines
1.4 KiB
C
#include <unistd.h>
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#include "progressdots.h"
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// ms
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#define SWITCH_SPEED 800
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#define THREAD_SLEEP 50
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static void *progdots_thread(void *data)
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{
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progdots *p = (progdots*)data;
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int timer = SWITCH_SPEED;
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while(p->run)
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{
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if(timer <= THREAD_SLEEP)
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{
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if(++p->active_dot >= PROGDOTS_CNT)
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p->active_dot = 0;
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progdots_set_active(p, p->active_dot);
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fb_draw();
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timer = SWITCH_SPEED;
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}
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else timer -= THREAD_SLEEP;
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usleep(THREAD_SLEEP*1000);
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}
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return NULL;
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}
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progdots *progdots_create(int x, int y)
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{
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progdots *p = malloc(sizeof(progdots));
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memset(p, 0, sizeof(progdots));
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p->x = x;
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p->y = y;
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p->run = 1;
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int i;
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for(i = 0; i < PROGDOTS_CNT; ++i)
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{
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p->dots[i] = fb_add_rect(x, y, PROGDOTS_H, PROGDOTS_H, (i == 0 ? LBLUE : WHITE));
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x += PROGDOTS_H + (PROGDOTS_W - (PROGDOTS_CNT*PROGDOTS_H))/(PROGDOTS_CNT-1);
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}
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pthread_create(&p->thread, NULL, progdots_thread, p);
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fb_draw();
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return p;
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}
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void progdots_destroy(progdots *p)
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{
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p->run = 0;
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pthread_join(p->thread, NULL);
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int i;
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for(i = 0; i < PROGDOTS_CNT; ++i)
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fb_rm_rect(p->dots[i]);
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free(p);
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}
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void progdots_set_active(progdots *p, int dot)
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{
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p->active_dot = dot;
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int i;
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for(i = 0; i < PROGDOTS_CNT; ++i)
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p->dots[i]->color = (i == dot ? LBLUE : WHITE);
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}
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